<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
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    <title>Document</title>
</head>
<body>
   <div id="title">
        <button>个人中心</button>
        <button>新闻</button>
        <button>音乐</button>
   </div> 
   <div id="view"></div>
   <script>
        const obtns = document.querySelectorAll("#title button")
        



   </script>
</body>
</html>